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comparison graal/com.oracle.max.cri/src/com/sun/cri/ri/RiResolvedField.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.cri.ri;
24
25 import java.lang.annotation.*;
26 import java.lang.reflect.*;
27
28 import com.sun.cri.ci.*;
29
30 /**
31 * Represents a reference to a resolved field. Fields, like methods and types, are
32 * resolved through {@link RiConstantPool constant pools}, and their actual implementation is provided by the
33 * {@link RiRuntime runtime} to the compiler.
34 */
35 public interface RiResolvedField extends RiField {
36
37 /**
38 * Gets the access flags for this field. Only the flags specified in the JVM specification
39 * will be included in the returned mask. The utility methods in the {@link Modifier} class
40 * should be used to query the returned mask for the presence/absence of individual flags.
41 * @return the mask of JVM defined field access flags defined for this field
42 */
43 int accessFlags();
44
45 /**
46 * Gets the constant value of this field if available.
47 * @param receiver object from which this field's value is to be read. This value is ignored if this field is static.
48 * @return the constant value of this field or {@code null} if the constant value is not available
49 */
50 CiConstant constantValue(CiConstant receiver);
51
52 /**
53 * Gets the holder of this field as a compiler-runtime interface type.
54 * @return the holder of this field
55 */
56 RiResolvedType holder();
57
58 /**
59 * Returns this field's annotation of a specified type.
60 *
61 * @param annotationClass the Class object corresponding to the annotation type
62 * @return the annotation of type {@code annotationClass} for this field if present, else null
63 */
64 <T extends Annotation> T getAnnotation(Class<T> annotationClass);
65 }